Hairbrush



FIG. 1 is a perspective view of a hairbrush.

FIG. 2 is a front view of the hairbrush of FIG. 1.

FIG. 3 is a rear view of the hairbrush of FIG. 1.

FIG. 4 is a first side view of the hairbrush of FIG. 1.

FIG. 5 is a second side view of the hairbrush of FIG. 1.

FIG. 6 is a first end view of the hairbrush of FIG. 1; and,

FIG. 7 is a second end view of the hairbrush of FIG. 1. 

CLAIM The ornamental design for a hairbrush, as shown and described. 